fix(chat) Fix name overflows chat bubble (#13303)

Revert color change of scroll corner

css/_chat.scss

     a:active {
         color: black;
     }
-
-    &::-webkit-scrollbar-corner {
-        background: #3a3a3a;
-    }
 }
 
 

react/features/chat/components/web/ChatMessage.tsx

 const styles = (theme: Theme) => {
     return {
         chatMessageWrapper: {
-            maxWidth: '100%'
+            maxWidth: '100%',
+
+            '&.remote': {
+                maxWidth: 'calc(100% - 40px)' // 100% - avatar and margin
+            }
         },
 
         chatMessage: {
             display: 'inline-flex',
             padding: '12px',
-            marginRight: '12px',
             backgroundColor: theme.palette.ui02,
             borderRadius: '4px 12px 12px 12px',
             maxWidth: '100%',
             marginTop: '4px',
+            boxSizing: 'border-box' as const,
 
             '&.privatemessage': {
                 backgroundColor: theme.palette.support05
         replyWrapper: {
             display: 'flex',
             flexDirection: 'row' as const,
-            alignItems: 'center'
+            alignItems: 'center',
+            maxWidth: '100%'
         },
 
         messageContent: {
 
         return (
             <div
-                className = { classes.chatMessageWrapper }
+                className = { clsx(classes.chatMessageWrapper, type) }
                 id = { this.props.message.messageId }
                 tabIndex = { -1 }>
                 <div

react/features/chat/components/web/MessageRecipient.tsx

             color: theme.palette.text01
         },
 
+        text: {
+            maxWidth: 'calc(100% - 30px)',
+            overflow: 'hidden',
+            whiteSpace: 'break-spaces',
+            wordBreak: 'break-all'
+        },
+
         iconButton: {
             padding: '2px',
 
             className = { classes.container }
             id = 'chat-recipient'
             role = 'alert'>
-            <span>
+            <span className = { classes.text }>
                 {t(_isLobbyChatActive ? 'chat.lobbyChatMessageTo' : 'chat.messageTo', {
                     recipient: _isLobbyChatActive ? _lobbyMessageRecipient : _privateMessageRecipient
                 })}